Home / 496,858,801.77-685,692,110.75-285,163,939.91

Finding the Fourth Proportional to 496,858,801.77, 685,692,110.75 and 285,163,939.91

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Solution

The fourth proportional to 496,858,801.77, 685,692,110.75 and 285,163,939.91 is: 393,541,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,858,801.77 : 685,692,110.75 = 285,163,939.91 : x
  2. Step 2: Convert to fraction form
    496,858,801.77/685,692,110.75 = 285,163,939.91/x
  3. Step 3: Cross multiply
    496,858,801.77x = 685,692,110.75 × 285,163,939.91
  4. Step 4: Simplify right side
    496,858,801.77x = 195,534,663,866,962,496
  5. Step 5: Solve for x
    x = 195,534,663,866,962,496/496,858,801.77
  6. Step 6: Final answer
    x = 393,541,712.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.